1. Introduction
The TCP 4892730K CFL Pro A-Lamp is a compact fluorescent light bulb designed to provide efficient and warm illumination. This 100-watt equivalent bulb uses only 27 watts of electricity, offering significant energy savings and a long lifespan. It produces a warm white light at 3000 Kelvin, ideal for various indoor lighting applications.
2. Safety Information
Please read all safety instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Contains Mercury: This product contains mercury. For proper disposal and cleanup procedures, please visit epa.gov/cfl.
- Not Dimmable: This bulb is NOT dimmable. Do not use with dimmer switches, as this may damage the bulb or the dimmer.
- Indoor Use Only: This bulb is intended for indoor use only. Do not expose to water or use in wet locations.
- Voltage: Ensure the fixture's voltage matches the bulb's 110 Volts requirement.
- Power Off: Always turn off power at the switch and circuit breaker before installing, removing, or cleaning the bulb.
- Handle with Care: Avoid dropping the bulb or subjecting it to strong impacts.
3. Setup and Installation
Follow these steps to properly install your TCP CFL bulb:
- Ensure Power is Off: Before beginning, ensure the power to the light fixture is turned off at both the wall switch and the main circuit breaker to prevent electric shock.
- Unpack the Bulb: Carefully remove the bulb from its packaging. Avoid touching the glass spiral directly.
- Install the Bulb: Screw the bulb into a standard E26 base socket. Turn clockwise until it is snug. Do not overtighten, as this can damage the bulb or the fixture.
- Restore Power: Once the bulb is securely installed, turn the power back on at the circuit breaker and then at the wall switch.

A full view of the TCP 4892730K compact fluorescent light bulb, showcasing its spiral design and standard E26 screw base. The bulb emits a warm white light at 3000K.
4. Operating Instructions
Once installed, the TCP 4892730K CFL bulb operates like any standard light bulb. Simply use the light switch connected to the fixture to turn the bulb on or off.
5. Maintenance
Proper maintenance ensures the longevity and performance of your bulb:
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Replacement: When the bulb reaches the end of its lifespan, replace it following the installation instructions and dispose of the old bulb according to local regulations for mercury-containing products.
- Do Not Disassemble: Do not attempt to disassemble or modify the bulb. There are no user-serviceable parts inside.
6. Troubleshooting
If you encounter issues with your TCP CFL bulb, refer to the following common problems and solutions:
- Bulb Does Not Light Up:
- Check if the power is on at the wall switch and circuit breaker.
- Ensure the bulb is screwed in properly and securely into the socket.
- Test the bulb in another working light fixture to determine if the issue is with the bulb or the fixture.
- If the bulb still does not light up, it may need replacement.
- Bulb is Flickering:
- Ensure the bulb is not connected to a dimmer switch. This bulb is not dimmable.
- Check for loose connections in the light fixture.
- Ensure the bulb is fully screwed into the socket.
- Light Output is Low:
- Verify the bulb's wattage and brightness (1850 lumens) match your lighting needs.
- Ensure the bulb is clean and free of dust or debris.
7. Specifications
Detailed technical specifications for the TCP 4892730K CFL Pro A-Lamp:
| Brand | TCP |
| Model Number | 4892730K |
| Light Type | CFL (Compact Fluorescent Light) |
| Wattage | 27 Watts (100 Watt Equivalent) |
| Voltage | 110 Volts |
| Brightness | 1850 Lumens |
| Color Temperature | 3000 Kelvin (Warm White) |
| Bulb Shape Size | T3 |
| Bulb Base | E26 |
| Shape | Spiral |
| Lifetime | 8+ years (Based on 3 hours/day, 11.0 years estimated) |
| Special Feature | Lasts 12 times longer, using less energy compared to incandescent |
| Specific Uses | Indoor use only |
| Material | Copper |
| Color Rendering Index (CRI) | 82 |
| Item Weight | 4.2 ounces |
| Product Dimensions | 7.5 x 4 x 4 inches |
| Specification Met | Energy Star |

A label detailing the 'Lighting Facts' for the bulb, including brightness (1850 lumens), estimated yearly energy cost ($3.25 based on 3hrs/day, 11¢ kWh), life (11.0 years based on 3hrs/day), energy used (27 watts), light appearance (3000K), and a warning about mercury content with a link to epa.gov/cfl. Customer service number 1-800-771-3335 is also visible.
8. Warranty and Support
For customer service inquiries or technical support regarding your TCP 4892730K CFL Pro A-Lamp, please contact TCP directly.
- Customer Service Phone: 1-800-771-3335
- Warranty Information: Please refer to the product packaging or TCP's official website for specific warranty details and terms.


